Dock board



FIG. 1 is a perspective view of a dock board;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures are to show portions of the dock board which form no part of the claimed design. The stippling in the claimed design denotes surface contrast. 

CLAIM The ornamental design for a dock board, as shown and described. 